3D is Great. Ask me why. Those things we see in Sci-Fi movies as just imaginations are coming to pass. Last year at around September, a Spanish man receives a first ever 3D-printed titanium rib-cage and sternum. Soon I hear there will be printed organs such as liver and even hearts that can be transplanted to human beings. 3D is Live.to learn mo , go to http://www.abc.net.au/news/2015-09-14/cancer-patient-receives-3d-printed-rib-cage/6773188